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/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification
 *             of Java bytecode.
 *
 * Copyright (c) 2002-2021 Guardsquare NV
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.util.kotlin.asserter.constraint;

import proguard.classfile.Clazz;
import proguard.classfile.kotlin.*;
import proguard.classfile.kotlin.visitor.*;
import proguard.util.kotlin.asserter.AssertUtil;

/**
 * This class checks the assumption: All properties need a JVM signature for their getter
 */
public class KmAnnotationIntegrity
extends      AbstractKotlinMetadataConstraint
implements   KotlinTypeVisitor,
             KotlinTypeAliasVisitor,
             KotlinTypeParameterVisitor,
             KotlinAnnotationVisitor,
             KotlinAnnotationArgumentVisitor
{

    private AssertUtil util;


    @Override
    public void visitAnyKotlinMetadata(Clazz clazz, KotlinMetadata kotlinMetadata)
    {
        kotlinMetadata.accept(clazz, new MultiKotlinMetadataVisitor(
            new AllTypeVisitor(this),
            new AllTypeAliasVisitor(this),
            new AllTypeParameterVisitor(this)
        ));
    }

    // Implementations for KotlinTypeVisitor.
    @Override
    public void visitAnyType(Clazz clazz, KotlinTypeMetadata type)
    {
        util = new AssertUtil("Type", reporter);
        type.annotationsAccept(clazz, this);

    }

    // Implementations for KotlinTypeAliasVisitor.
    @Override
    public void visitTypeAlias(Clazz clazz,
                               KotlinDeclarationContainerMetadata kotlinDeclarationContainerMetadata,
                               KotlinTypeAliasMetadata kotlinTypeAliasMetadata)
    {
        util = new AssertUtil("Type alias", reporter);
        kotlinTypeAliasMetadata.annotationsAccept(clazz, this);
    }

    // Implementations for KotlinTypeParameterVisitor.
    @Override
    public void visitAnyTypeParameter(Clazz clazz,
                                      KotlinTypeParameterMetadata kotlinTypeParameterMetadata)
    {
        util = new AssertUtil("Type parameter", reporter);
        kotlinTypeParameterMetadata.annotationsAccept(clazz, this);
    }

    // Implementations for KotlinAnnotationVisitor.
    @Override
    public void visitAnyAnnotation(Clazz                clazz,
                                   KotlinAnnotatable    annotatable,
                                   KotlinAnnotation     antn)
    {

        // TODO: there's an annotation added by the compiler, ParameterName, but it's not in the
        //       class pool - should this be a dummy class, are there more?
        //       util.reportIfClassDangling("annotation class", antn.referencedAnnotationClass);

        util.reportIfNullReference("annotation class", antn.referencedAnnotationClass);
        antn.argumentsAccept(clazz, annotatable, this);
    }

    // Implementations for KotlinAnnotationArgumentVisitor.
    @Override
    public void visitAnyArgument(Clazz                    clazz,
                                 KotlinAnnotatable        annotatable,
                                 KotlinAnnotation         annotation,
                                 KotlinAnnotationArgument argument,
                                 KotlinAnnotationArgument.Value value)
    {
        util.reportIfNullReference("annotation method", argument.referencedAnnotationMethod);
        util.reportIfNullReference("annotation class", argument.referencedAnnotationMethodClass);
    }

    @Override
    public void visitClassArgument(Clazz                               clazz,
                                   KotlinAnnotatable                   annotatable,
                                   KotlinAnnotation                    annotation,
                                   KotlinAnnotationArgument            argument,
                                   KotlinAnnotationArgument.ClassValue value)
    {
        visitAnyArgument(clazz, annotatable, annotation, argument, value);
        util.reportIfNullReference("annotation argument class referenced", value.referencedClass);
    }

    @Override
    public void visitEnumArgument(Clazz                    clazz,
                                  KotlinAnnotatable        annotatable,
                                  KotlinAnnotation         annotation,
                                  KotlinAnnotationArgument argument,
                                  KotlinAnnotationArgument.EnumValue value)
    {
        visitAnyArgument(clazz, annotatable, annotation, argument, value);
        util.reportIfNullReference("annotation argument enum referenced", value.referencedClass);
    }
}




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